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1 : //===- PDBSymbolCompiland.cpp - compiland details ---------------*- C++ -*-===//
2 : //
3 : // The LLVM Compiler Infrastructure
4 : //
5 : // This file is distributed under the University of Illinois Open Source
6 : // License. See LICENSE.TXT for details.
7 : //
8 : //===----------------------------------------------------------------------===//
9 :
10 : #include "llvm/DebugInfo/PDB/IPDBSession.h"
11 : #include "llvm/DebugInfo/PDB/IPDBSourceFile.h"
12 :
13 : #include "llvm/DebugInfo/PDB/PDBSymbolCompiland.h"
14 : #include "llvm/DebugInfo/PDB/PDBSymbolCompilandDetails.h"
15 : #include "llvm/DebugInfo/PDB/PDBSymbolCompilandEnv.h"
16 : #include "llvm/DebugInfo/PDB/PDBSymDumper.h"
17 :
18 : #include "llvm/ADT/StringSwitch.h"
19 : #include "llvm/Support/Path.h"
20 : #include <utility>
21 :
22 : using namespace llvm;
23 : using namespace llvm::pdb;
24 :
25 0 : void PDBSymbolCompiland::dump(PDBSymDumper &Dumper) const {
26 0 : Dumper.dump(*this);
27 0 : }
28 :
29 0 : std::string PDBSymbolCompiland::getSourceFileName() const {
30 0 : return sys::path::filename(getSourceFileFullPath()).str();
31 : }
32 :
33 0 : std::string PDBSymbolCompiland::getSourceFileFullPath() const {
34 : std::string SourceFileFullPath;
35 :
36 : // RecordedResult could be the basename, relative path or full path of the
37 : // source file. Usually it is retrieved and recorded from the command that
38 : // compiles this compiland.
39 : //
40 : // cmd FileName -> RecordedResult = .\\FileName
41 : // cmd (Path)\\FileName -> RecordedResult = (Path)\\FileName
42 : //
43 0 : std::string RecordedResult = RawSymbol->getSourceFileName();
44 :
45 0 : if (RecordedResult.empty()) {
46 0 : if (auto Envs = findAllChildren<PDBSymbolCompilandEnv>()) {
47 : std::string EnvWorkingDir, EnvSrc;
48 :
49 0 : while (auto Env = Envs->getNext()) {
50 0 : std::string Var = Env->getName();
51 0 : if (Var == "cwd") {
52 0 : EnvWorkingDir = Env->getValue();
53 0 : continue;
54 : }
55 0 : if (Var == "src") {
56 0 : EnvSrc = Env->getValue();
57 0 : if (sys::path::is_absolute(EnvSrc))
58 : return EnvSrc;
59 : RecordedResult = EnvSrc;
60 0 : continue;
61 : }
62 : }
63 0 : if (!EnvWorkingDir.empty() && !EnvSrc.empty()) {
64 : auto Len = EnvWorkingDir.length();
65 0 : if (EnvWorkingDir[Len - 1] != '/' && EnvWorkingDir[Len - 1] != '\\') {
66 0 : std::string Path = EnvWorkingDir + "\\" + EnvSrc;
67 : std::replace(Path.begin(), Path.end(), '/', '\\');
68 : // We will return it as full path if we can't find a better one.
69 0 : if (sys::path::is_absolute(Path))
70 : SourceFileFullPath = Path;
71 : }
72 : }
73 : }
74 : }
75 :
76 0 : if (!RecordedResult.empty()) {
77 0 : if (sys::path::is_absolute(RecordedResult))
78 0 : return RecordedResult;
79 :
80 : // This searches name that has same basename as the one in RecordedResult.
81 0 : auto OneSrcFile = Session.findOneSourceFile(
82 0 : this, RecordedResult, PDB_NameSearchFlags::NS_CaseInsensitive);
83 0 : if (OneSrcFile)
84 0 : return OneSrcFile->getFileName();
85 : }
86 :
87 : // At this point, we have to walk through all source files of this compiland,
88 : // and determine the right source file if any that is used to generate this
89 : // compiland based on language indicated in compilanddetails language field.
90 0 : auto Details = findOneChild<PDBSymbolCompilandDetails>();
91 0 : PDB_Lang Lang = Details ? Details->getLanguage() : PDB_Lang::Cpp;
92 0 : auto SrcFiles = Session.getSourceFilesForCompiland(*this);
93 0 : if (SrcFiles) {
94 0 : bool LangC = (Lang == PDB_Lang::Cpp || Lang == PDB_Lang::C);
95 0 : while (auto File = SrcFiles->getNext()) {
96 0 : std::string FileName = File->getFileName();
97 0 : auto file_extension = sys::path::extension(FileName);
98 0 : if (StringSwitch<bool>(file_extension.lower())
99 : .Case(".cpp", LangC)
100 : .Case(".c", LangC)
101 : .Case(".cc", LangC)
102 : .Case(".cxx", LangC)
103 0 : .Case(".asm", Lang == PDB_Lang::Masm)
104 : .Default(false))
105 0 : return File->getFileName();
106 : }
107 : }
108 :
109 : return SourceFileFullPath;
110 : }
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